diff --git a/doc/fluid/beginners_guide/programming_guide/programming_guide.md b/doc/fluid/beginners_guide/programming_guide/programming_guide.md
index b5493e7776d2a84ae3614fb015ac57384381f5eb..bb488b44699b16fffd13216a42152efb18662833 100644
--- a/doc/fluid/beginners_guide/programming_guide/programming_guide.md
+++ b/doc/fluid/beginners_guide/programming_guide/programming_guide.md
@@ -133,8 +133,8 @@ exe.run(fluid.default_startup_program()) #网络参数初始化
 
 #准备数据
 import numpy
-data_1 = input("a=")
-data_2 = input("b=")
+data_1 = int(input("Please enter an integer: a="))
+data_2 = int(input("Please enter an integer: b="))
 x = numpy.array([[data_1]])
 y = numpy.array([[data_2]])
 
diff --git a/doc/fluid/beginners_guide/programming_guide/programming_guide_en.md b/doc/fluid/beginners_guide/programming_guide/programming_guide_en.md
index 0919da1768f33a4a0a45923f6577be4f629c04d6..d6383d22bc7a06f934e17078f8fed517d823cf1a 100644
--- a/doc/fluid/beginners_guide/programming_guide/programming_guide_en.md
+++ b/doc/fluid/beginners_guide/programming_guide/programming_guide_en.md
@@ -137,8 +137,8 @@ exe.run(fluid.default_startup_program()) #initialize network parameters
 
 #Prepare data
 import numpy
-data_1 = input("a=")
-data_2 = input("b=")
+data_1 = int(input("Please enter an integer: a="))
+data_2 = int(input("Please enter an integer: b="))
 x = numpy.array([[data_1]])
 y = numpy.array([[data_2]])